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From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
	"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH] x86/boot: Simplify BSS zeroing
Date: Wed, 8 Jan 2020 14:29:48 +0100	[thread overview]
Message-ID: <5febe920-3a61-a68f-01ff-dd02e099d8dd@suse.com> (raw)
In-Reply-To: <20200108132241.8564-1-andrew.cooper3@citrix.com>

On 08.01.2020 14:22, Andrew Cooper wrote:
> There is no need to load a non-flat %es to zero the BSS.  Use sym_esi()
> instead, which is easier to follow, faster (avoids two segment loads) and
> doesn't require use of the stack.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Reviewed-by: Jan Beulich <jbeulich@suse.com>

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      reply	other threads:[~2020-01-08 13:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-08 13:22 [Xen-devel] [PATCH] x86/boot: Simplify BSS zeroing Andrew Cooper
2020-01-08 13:29 ` Jan Beulich [this message]

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